/* OpenMW - The completely unofficial reimplementation of Morrowind Copyright (C) 2008-2010 Nicolay Korslund Email: < korslund@gmail.com > WWW: http://openmw.sourceforge.net/ This file (data.h) is part of the OpenMW package. OpenMW is distributed as free software: you can redistribute it and/or modify it under the terms of the GNU General Public License version 3, as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License version 3 along with this program. If not, see http://www.gnu.org/licenses/ . */ #ifndef _NIF_DATA_H_ #define _NIF_DATA_H_ #include "controlled.h" namespace Nif { struct NiSourceTexture : Named { // Is this an external (references a separate texture file) or // internal (data is inside the nif itself) texture? bool external; SString filename; // In case of external textures NiPixelDataPtr data; // In case of internal textures /* Pixel layout 0 - Palettised 1 - High color 16 2 - True color 32 3 - Compressed 4 - Bumpmap 5 - Default */ int pixel; /* Mipmap format 0 - no 1 - yes 2 - default */ int mipmap; /* Alpha 0 - none 1 - binary 2 - smooth 3 - default (use material alpha, or multiply material with texture if present) */ int alpha; void read(NIFFile *nif) { Named::read(nif); external = nif->getByte(); if(external) filename = nif->getString(); else { nif->getByte(); // always 1 data.read(nif); } pixel = nif->getInt(); mipmap = nif->getInt(); alpha = nif->getInt(); nif->getByte(); // always 1 } }; // Common ancestor for several data classes struct ShapeData : Record { FloatArray vertices, normals, colors, uvlist; const Vector *center; float radius; void read(NIFFile *nif) { int verts = nif->getUshort(); if(nif->getInt()) vertices = nif->getFloatLen(verts*3); if(nif->getInt()) normals = nif->getFloatLen(verts*3); center = nif->getVector(); radius = nif->getFloat(); if(nif->getInt()) colors = nif->getFloatLen(verts*4); int uvs = nif->getUshort(); // Only the first 6 bits are used as a count. I think the rest are // flags of some sort. uvs &= 0x3f; if(nif->getInt()) uvlist = nif->getFloatLen(uvs*verts*2); } }; struct NiTriShapeData : ShapeData { // Triangles, three vertex indices per triangle SliceArray triangles; void read(NIFFile *nif) { ShapeData::read(nif); int tris = nif->getUshort(); if(tris) { // We have three times as many vertices as triangles, so this // is always equal to tris*3. int cnt = nif->getInt(); triangles = nif->getArrayLen(cnt); } // Read the match list, which lists the vertices that are equal to // vertices. We don't actually need need this for anything, so // just skip it. int verts = nif->getUshort(); if(verts) { for(int i=0;igetUshort(); nif->skip(num*sizeof(short)); } } } }; } // Namespace #endif